CN103516861B - Handheld device and its control method for automatically answering phone and locking touch screen - Google Patents
Handheld device and its control method for automatically answering phone and locking touch screen Download PDFInfo
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- CN103516861B CN103516861B CN201210198031.3A CN201210198031A CN103516861B CN 103516861 B CN103516861 B CN 103516861B CN 201210198031 A CN201210198031 A CN 201210198031A CN 103516861 B CN103516861 B CN 103516861B
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Abstract
The invention relates to a handheld device and its control method for automatically answering the phone and locking a touch screen. The control method comprises the following steps: when detected that there is an incoming call, sensitivity of the touch screen is adjusted to a higher level; it is sensed that the touch screen is touched or a touch source is approaching so as to generate capacitive sensing value; if the capacitive sensing value is greater than a first predetermined value, large-area touch or approaching of the touch screen is determined, it is sensed that capacitive sensing value of the top half of the touch screen is greater than that of the bottom half, the state maintains more than a first predetermined time, the incoming call is answered automatically; and after the conversation begins, if the sensed capacitive sensing value is greater than the first predetermined value and large-area touch or approaching of the touch screen is determined, conversation at close range is determined and the touch screen is locked. According to the invention, whether to answer an incoming call automatically is determined by sensing a touch on the touch screen or approaching of a touch source, thus being convenient for users to use. In addition, whether to lock the touch screen is determined by judging whether it is a close-to-face conversation at close range, so as to avoid false triggering operation.
Description
Technical field
The present invention relates to information input field, particularly relate to a kind of method being controlled handheld device automatic call answering and locking touch-screen by touch screen induction.
Background technology
Along with the fast development of information technology, handheld device, such as mobile phone plays more and more important role in the life of people.In the handheld device with touch-screen, much all pass through range sensor (Proximity Sensor) and judge that whether handheld device controls some functions of handheld device close to or away from face, such as automatic call answering.If but the finger of user but not face contact or near this range sensor time will produce misoperation.
In addition, in communication process, handheld device judges whether it is closely converse further by range sensor, if, namely converse close to face, then lock touch-screen such as, in order to avoid produce misoperation, when receiving calls, if the face of user is too near touch-screen, then likely can hang-up key on sensing touch screen, just can avoid making call hang-ups in the unwitting situation of user by locking touch-screen, affect the normal talking of user.But, if user will inquire about some information in handheld device in communication process, such as, during address list, if also can touch-screen be locked when user's finger contacts or this range sensor close, affect the normal use of user.
Summary of the invention
In view of this, the control method that a kind of handheld device and automatic call answering and locking touch-screen are provided is necessary, to solve the problem.
A kind of handheld device, comprises touch-screen, regulon, sensing cell, comparing unit and control unit, when having detected incoming call, and the sensitivity of this regulon automatic adjustment height touch-screen.This sensing cell sense touch on this touch-screen or touch sources near and produce capacitive sensing value.The capacitive sensing value that this sensing cell produces by this comparing unit and one first predetermined value compare, and judge whether this capacitive sensing value is greater than this first predetermined value.If this capacitive sensing value is greater than this first predetermined value, this control unit continues to judge that whether touch-screen is by bump contact or close.If judge that touch-screen is by bump contact or close, this comparing unit more further relatively and judge sensing cell sensing touch shield the touch of the first half or touch sources near the capacitive sensing value produced whether be greater than the touch of sensing the latter half or touch sources near the capacitive sensing value produced, and whether this state maintained more than one first scheduled time.If the capacitive sensing value of touch or the close generation of touch sources that sensing cell sensing touch shields the first half is greater than the capacitive sensing value near generation of the touch of sensing the latter half or touch sources, and the maintenance of this state exceedes this first scheduled time, this control unit controls auto-pickup incoming call.
A kind of handheld device, comprises touch-screen, regulon, sensing cell, comparing unit, control unit and timing unit, and when conversing beginning, this timing unit starts timing, and judges that whether timing is more than one second scheduled time.If timing is more than second scheduled time, the sensitivity of this regulon automatic adjustment height touch-screen.This sensing cell sense touch on this touch-screen or touch sources near and produce capacitive sensing value.The capacitive sensing value that this sensing cell produces by this comparing unit and one first predetermined value compare, and judge whether this capacitive sensing value is greater than this first predetermined value.If this capacitive sensing value is not more than this first predetermined value, this control unit is judged as remote call, and unlocks touch-screen.If this capacitive sensing value is greater than this first predetermined value, this control unit continues to judge that whether touch-screen is by bump contact or close.If judge that touch-screen is by bump contact or close, then this control unit is judged as closely conversing, and locks touch-screen.
A control method for automatic call answering, the method comprises the following steps:
When having detected incoming call, the sensitivity of automatic adjustment height touch-screen;
Sensing touch screen on touch or touch sources near and produce capacitive sensing value;
Judge whether this capacitive sensing value is greater than one first predetermined value;
If this capacitive sensing value is greater than the first predetermined value, then continue to judge that whether touch-screen is by bump contact or close;
If judge that touch-screen is by bump contact or close, then judge that sensing touch shields the touch of the first half or the capacitive sensing value whether being greater than the touch of sensing the latter half or the close generation of touch sources near the capacitive sensing value produced of touch sources again, and this state maintained more than one first scheduled time;
If the capacitive sensing value of touch or the close generation of touch sources that sensing touch shields the first half is greater than the capacitive sensing value near generation of the touch of sensing the latter half or touch sources, and maintenance exceedes this first scheduled time, then auto-pickup incoming call.
Automatically lock a control method for touch-screen, the method comprises the following steps:
Call starts;
Start timing, and judge that whether timing is more than one second scheduled time;
If timing is more than second scheduled time, then the sensitivity of automatic adjustment height touch-screen;
Sensing touch screen on touch or touch sources near and produce capacitive sensing value;
Judge whether this capacitive sensing value is greater than one first predetermined value;
If this capacitive sensing value is not more than this first predetermined value, is then judged as remote call, and unlocks touch-screen;
If this capacitive sensing value is greater than this first predetermined value, then continue to judge that whether touch-screen is by bump contact or close;
If judge that touch-screen is by bump contact or close, be then judged as closely conversing, and lock touch-screen.
Whether the present invention responds to by bump contact or close when sending a telegram here by the sensitivity of automatic adjustment height touch-screen, to determine whether auto-pickup incoming call, is user-friendly to; In communication process by induction touch panel whether by bump contact or near judging whether it is that closely architrave is conversed, to determine being locking or unblock touch-screen, thus the false triggering effectively avoiding the face due to user too to cause near touch-screen operation.
Accompanying drawing explanation
Fig. 1 is the functional block diagram of a kind of handheld device provided by the invention.
Fig. 2 is the control method flow chart of automatic call answering of the present invention.
Fig. 3 is the schematic diagram arranging inductor in one embodiment of the invention on the touchscreen.
Fig. 4 is the control method flow chart automatically locking touch-screen of the present invention.
Main element symbol description
| Handheld device | 100 |
| Touch-screen | 10 |
| Regulon | 30 |
| Sensing cell | 40 |
| Comparing unit | 50 |
| Control unit | 60 |
| Timing unit | 70 |
| Inductor | 1~6 |
| Step | S201~S210、S401~S412 |
Following embodiment will further illustrate the present invention in conjunction with above-mentioned accompanying drawing.
Embodiment
Referring to Fig. 1, is the functional block diagram of a kind of handheld device provided by the invention.This handheld device 100 comprises: touch-screen 10, regulon 30, sensing cell 40, comparing unit 50, control unit 60 and timing unit 70.Wherein, this regulon 30 is for regulating the sensitivity of touch-screen 10.This sensing cell 40 for sense touch on this touch-screen 10 or touch sources near and produce capacitive sensing value.This comparing unit 50 compares for the capacitive sensing value that produced by sensing cell 40 and predetermined value, this control unit 60 for determine whether automatic call answering according to the comparative result of this comparing unit 50 and in communication process according to user near or control locking away from this touch-screen 10 or unlock touch-screen 10.Wherein, the concrete function that this each functional module of handheld device 100 performs will be introduced as follows in detail.
Referring to Fig. 2, is the control method flow chart of handheld device automatic call answering of the present invention.The method comprises the following steps:
Step S201, when having detected incoming call, the sensitivity of this regulon 30 automatic adjustment height touch-screen 10.
Step S202, this sensing cell 40 sense touch on this touch-screen 10 or touch sources near and produce capacitive sensing value.
Step S203, this capacitive sensing value and one first predetermined value X1 compare by this comparing unit 50, by judging whether this capacitive sensing value is greater than this first predetermined value X1 and has determined whether that touch sources is close.In present embodiment, this first predetermined value X1 is user's skin distance touch-screen 10 1 predetermined distance range, such as, within 6cm time, and the capacitive sensing value that this sensing cell 40 senses.If the capacitive sensing value that this senses is greater than this first predetermined value X1, then perform step S204; Otherwise flow process is back to step S203.Obviously, user's skin distance touch-screen 10 surface is nearer, and the capacitive sensing value that sensing cell 40 senses is larger, thus, when user's skin distance touch-screen 10 surface is in this predetermined distance range, this capacitive sensing value is greater than the first predetermined value X1, and it is close that this control unit 60 defines touch sources.Wherein, this sensing cell 40 comprises the inductor of multiple matrix arrangement, each inductor for respond to touch on relevant position or touch sources near and produce corresponding capacitive sensing value.
Step S204, this control unit 60 continues to judge that whether touch-screen 10 is by bump contact or close.In present embodiment, the corresponding coordinate of each inductor, control unit 60 is greater than the inductor of this first predetermined value X1 according to the comparative result determination capacitive sensing value of this comparing unit 50, obtain by each coordinate defining the close point of touch sources the region area that this multiple spot covers, thus judge that whether touch-screen 10 is by bump contact or close.Such as shown in Figure 3, touch-screen 10 evenly arranges multiple inductor from top to bottom, such as inductor 1 ~ 6, and the capacitive sensing value produced by the plurality of inductor is as judging parameter, if comparing unit 50 determines that the capacitive sensing value produced more than the inductor of half quantity is all greater than the first predetermined value X1, such as the capacitive sensing value of inductor 1 ~ 4 or 1 ~ 6 is all greater than the first predetermined value X1, then determine that the point of inductor 1 ~ 4 or 1 ~ 6 correspondence has all sensed that touch sources is close, then this control unit 60 judges that touch-screen 10 is by bump contact or close, and perform step S205, otherwise, then step S209 is performed.
Step S205, when this control unit 60 judges that the capacitive sensing value that this sensing cell 40 senses increases gradually, when namely the spacing of user's skin and touch-screen 10 reduces gradually, progressively reduces ringing volume.
Step S206, this comparing unit 50 relatively also judges whether the capacitive sensing value of the inductor generation being positioned at touch-screen 10 the first half is greater than the capacitive sensing value of the inductor generation being positioned at the latter half more further, and whether this state maintains more than one first scheduled time, such as 0.5 second.Need the receiver near handheld device during owing to receiving calls, therefore face distance touch-screen 10 first half branch is nearer than the latter half, and the capacitive sensing value that the induction area of touch-screen 10 the first half and inductor produce can be larger.In present embodiment, for Fig. 3, if the capacitive sensing value of inductor 1 ~ 2 is all greater than the capacitive sensing value of inductor 3 ~ 4, and the capacitive sensing value of inductor 3 ~ 4 is greater than again the capacitive sensing value of inductor 5 ~ 6, namely the capacitive sensing value that the capacitive sensing value that the inductor of touch-screen 10 the first half produces produces than the inductor of the latter half is large, and have the trend weakened successively from top to bottom, then perform step S207; Otherwise flow process is back to step S206.
Step S207, this control unit 60 controls auto-pickup incoming call, establishes a communications link.
Step S208, the sensitivity of touch-screen 10 is recalled to default value by this regulon 30.
Step S209, if this control unit 60 judges that touch-screen 10 is not by wide area touch, then this comparing unit 50 more further relatively and judge whether the capacitive sensing value that sensing cell 40 senses is greater than one second predetermined value X2.In present embodiment, this second predetermined value X2 for user touch touch-screen 10 time, what this sensing cell 40 sensed corresponds to the capacitive sensing value of touch location, and this second predetermined value X2 is greater than this first predetermined value X1.If the capacitive sensing value that this senses is greater than the second predetermined value X2, then perform step S210; Otherwise flow process is back to step S203.
Step S210, this control unit 60 has been judged as touching input, and namely user touches touch-screen 10, and performs corresponding operation according to this touch input.
Refer to Fig. 4, for handheld device of the present invention automatically locks the control method flow chart of touch-screen.The method comprises the following steps:
Step S401, call starts.
Step S402, this timing unit 70 starts timing, and judges that whether timing is more than one second scheduled time, such as 3 ~ 5 seconds.If so, then step S403 is performed; Otherwise flow process is back to step S402 and continues timing.
Step S403, the sensitivity of this regulon 30 automatic adjustment height touch-screen 10.
Step S404, this sensing cell 40 sense touch on this touch-screen 10 or touch sources near and produce capacitive sensing value.
Step S405, this capacitive sensing value and the first predetermined value X1 compare by this comparing unit 50, judge whether this capacitive sensing value is greater than this first predetermined value X1.If not, then this control unit 60 is judged as remote call, and performs step S410; Otherwise, perform step S406.
Step S406, this control unit 60 continues to judge that whether touch-screen 10 is by bump contact or close.If so, then this control unit 60 is judged as closely conversing, and performs step S407, locking touch-screen 10, and then flow process skips to step S411; Otherwise, perform step S408.
Step S408, this comparing unit 50 more further relatively and judge whether the capacitive sensing value that sensing cell 40 senses is greater than the second predetermined value X2.If so, then step S409 is performed; Otherwise flow process skips to step S411.
Step S409, this control unit 60 has been judged as touching input.
Step S410, unlocks touch-screen 10.
Step S411, the sensitivity of touch-screen 10 is recalled to default value by this regulon 30.
Step S412, this timing unit 70 timing resets, and flow process is back to step S402, reclocking.
Whether the present invention responds to by bump contact or close when sending a telegram here by the sensitivity of automatic adjustment height touch-screen, to determine whether reduce ringing volume and auto-pickup incoming call, be user-friendly to; In communication process by induction touch panel whether by bump contact or near judging whether it is that closely architrave is conversed, to determine being locking or unblock touch-screen, thus the false triggering effectively avoiding the face due to user too to cause near touch-screen operation.
Those skilled in the art will be appreciated that; above execution mode is only used to the present invention is described; and be not used as limitation of the invention; as long as within spirit of the present invention, the appropriate change do above embodiment and change all drop within the scope of protection of present invention.
Claims (9)
1. a handheld device, comprises touch-screen, regulon, sensing cell, comparing unit and control unit, it is characterized in that: when having detected incoming call, the sensitivity of this regulon automatic adjustment height touch-screen, this sensing cell sense touch on this touch-screen or touch sources near and produce capacitive sensing value, the capacitive sensing value that this sensing cell produces by this comparing unit and one first predetermined value compare, and judge whether this capacitive sensing value is greater than this first predetermined value, if this capacitive sensing value is greater than this first predetermined value, this control unit continues to judge that whether touch-screen is by bump contact or close, wherein, this sensing cell comprises the inductor of multiple matrix arrangement, for respond to touch on relevant position or touch sources near and produce corresponding capacitive sensing value, this control unit is greater than the inductor of this first predetermined value according to the comparative result determination capacitive sensing value of this comparing unit, when the capacitive sensing value that the inductor more than half quantity produces is greater than this first predetermined value, this control unit judges that touch-screen is by bump contact or close, if control unit judges touch-screen not by bump contact or close, this comparing unit more further relatively and judge whether the capacitive sensing value that sensing cell senses is greater than one second predetermined value, this second predetermined value is greater than this first predetermined value, if the capacitive sensing value that this senses is greater than this second predetermined value, this control unit has been judged as touching input, and performs corresponding operation according to this touch input, if control unit judges that touch-screen is by bump contact or close, this comparing unit more further relatively and judge sensing cell sensing touch shield the touch of the first half or touch sources near the capacitive sensing value produced whether be greater than the touch of sensing the latter half or touch sources near the capacitive sensing value produced, and whether this state maintains more than one first scheduled time, if the capacitive sensing value of touch or the close generation of touch sources that sensing cell sensing touch shields the first half is greater than the capacitive sensing value near generation of the touch of sensing the latter half or touch sources, and the maintenance of this state exceedes this first scheduled time, this control unit controls auto-pickup incoming call.
2. handheld device as claimed in claim 1, is characterized in that, when this first predetermined value is user's skin distance touch-screen one predetermined distance range, this sensing cell senses capacitive sensing value.
3. a handheld device, comprises touch-screen, regulon, sensing cell, comparing unit, control unit and timing unit, it is characterized in that: when conversing beginning, this timing unit starts timing, and judges that whether timing is more than one second scheduled time, if timing is more than second scheduled time, the sensitivity of this regulon automatic adjustment height touch-screen, this sensing cell sense touch on this touch-screen or touch sources near and produce capacitive sensing value, the capacitive sensing value that this sensing cell produces by this comparing unit and one first predetermined value compare, and judge whether this capacitive sensing value is greater than this first predetermined value, if this capacitive sensing value is not more than this first predetermined value, this control unit is judged as remote call, and unlocks touch-screen, if this capacitive sensing value is greater than this first predetermined value, this control unit continues to judge that whether touch-screen is by bump contact or close, wherein, this sensing cell comprises the inductor of multiple matrix arrangement, for respond to touch on relevant position or touch sources near and produce corresponding capacitive sensing value, this control unit is greater than the inductor of this first predetermined value according to the comparative result determination capacitive sensing value of this comparing unit, when the capacitive sensing value that the inductor more than half quantity produces is greater than this first predetermined value, this control unit judges that touch-screen is by bump contact or close, if control unit judges touch-screen not by bump contact or close, this comparing unit more further relatively and judge whether the capacitive sensing value that sensing cell senses is greater than one second predetermined value, this second predetermined value is greater than this first predetermined value, if the capacitive sensing value that this senses is greater than this second predetermined value, this control unit has been judged as touching input, and performs corresponding operation according to this touch input, if judge that touch-screen is by bump contact or close, then this control unit is judged as closely conversing, and locks touch-screen.
4. handheld device as claimed in claim 3, is characterized in that, when this first predetermined value is user's skin distance touch-screen one predetermined distance range, this sensing cell senses capacitive sensing value.
5. a control method for automatic call answering, the method comprises the following steps:
When having detected incoming call, the sensitivity of automatic adjustment height touch-screen;
Sensing touch screen on touch or touch sources near and produce capacitive sensing value;
Judge whether this capacitive sensing value is greater than one first predetermined value;
If this capacitive sensing value is greater than the first predetermined value, then continue to judge that whether touch-screen is by bump contact or close, wherein, this capacitive sensing value is multiple, when the capacitive sensing value more than half quantity is greater than this first predetermined value, judge that this touch-screen is by bump contact or close;
If judge touch-screen not by bump contact or close, then relatively also judge whether the capacitive sensing value sensed is greater than one second predetermined value more further, this second predetermined value is greater than this first predetermined value, if the capacitive sensing value that this senses is greater than this second predetermined value, then be judged as touching input, and performed corresponding operation according to this touch input;
If judge that touch-screen is by bump contact or close, then judge that sensing touch shields the touch of the first half or the capacitive sensing value whether being greater than the touch of sensing the latter half or the close generation of touch sources near the capacitive sensing value produced of touch sources again, and whether this state maintains more than one first scheduled time;
If the capacitive sensing value of touch or the close generation of touch sources that sensing touch shields the first half is greater than the capacitive sensing value near generation of the touch of sensing the latter half or touch sources, and the maintenance of this state exceedes this first scheduled time, then auto-pickup incoming call.
6. method as claimed in claim 5, is characterized in that, judging that touch-screen is by bump contact or closely also comprise step afterwards: when judging that the capacitive sensing value that this senses increases gradually, progressively reduce ringing volume.
7. method as claimed in claim 5, is characterized in that, also comprises step: default value is recalled in the sensitivity of touch-screen after auto-pickup incoming call.
8. automatically lock a control method for touch-screen, the method comprises the following steps:
Call starts;
Start timing, and judge that whether timing is more than one second scheduled time;
If timing is more than second scheduled time, then the sensitivity of automatic adjustment height touch-screen;
Sensing touch screen on touch or touch sources near and produce capacitive sensing value;
Judge whether this capacitive sensing value is greater than one first predetermined value;
If this capacitive sensing value is not more than this first predetermined value, is then judged as remote call, and unlocks touch-screen;
If this capacitive sensing value is greater than this first predetermined value, then continue to judge that whether touch-screen is by bump contact or close, wherein, this capacitive sensing value is multiple, when the capacitive sensing value more than half quantity is greater than this first predetermined value, judge that this touch-screen is by bump contact or close;
If judge touch-screen not by bump contact or close, then relatively also judge whether the capacitive sensing value sensed is greater than one second predetermined value more further, this second predetermined value is greater than this first predetermined value, if the capacitive sensing value that this senses is greater than this second predetermined value, then be judged as touching input, and performed corresponding operation according to this touch input;
If judge that touch-screen is by bump contact or close, be then judged as closely conversing, and lock touch-screen.
9. method as claimed in claim 8, is characterized in that, also comprises step: default value is recalled in the sensitivity of touch-screen after unblock touch-screen and locking touch-screen; Timing resets.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210198031.3A CN103516861B (en) | 2012-06-15 | 2012-06-15 | Handheld device and its control method for automatically answering phone and locking touch screen |
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| CN201210198031.3A CN103516861B (en) | 2012-06-15 | 2012-06-15 | Handheld device and its control method for automatically answering phone and locking touch screen |
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| CN103516861A CN103516861A (en) | 2014-01-15 |
| CN103516861B true CN103516861B (en) | 2015-05-27 |
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| CN103929538A (en) * | 2014-04-09 | 2014-07-16 | 惠州Tcl移动通信有限公司 | Mobile terminal call-answering method and system based on proximity sensor |
| JP6266450B2 (en) * | 2014-06-26 | 2018-01-24 | 京セラ株式会社 | Mobile communication terminal, incoming call control program, and incoming call control method |
| CN105302347A (en) * | 2014-07-14 | 2016-02-03 | 宇龙计算机通信科技(深圳)有限公司 | Method and apparatus for simulating distance sensor by using touch screen |
| CN104301460A (en) * | 2014-09-22 | 2015-01-21 | 惠州Tcl移动通信有限公司 | Mobile phone and method for automatically answering call of mobile phone |
| CN105721665B (en) * | 2015-04-13 | 2019-11-26 | 中科创达软件科技（深圳）有限公司 | A kind of mobile terminal incoming call sound method and device |
| CN104898973A (en) * | 2015-05-26 | 2015-09-09 | 惠州Tcl移动通信有限公司 | Mobile terminal and unlocking method for same |
| CN106469003A (en) * | 2015-08-17 | 2017-03-01 | 小米科技有限责任公司 | Unlocking method and a device |
| CN106657658A (en) * | 2016-12-30 | 2017-05-10 | 努比亚技术有限公司 | Mobile terminal and call control method |
| CN106911863A (en) * | 2017-04-24 | 2017-06-30 | 珠海市魅族科技有限公司 | A kind of false-touch prevention method and device of terminal |
| CN108965509B (en) * | 2018-06-15 | 2020-07-17 | Oppo广东移动通信有限公司 | Electronic equipment, screen control method and related product |
| CN109388286B (en) * | 2018-09-26 | 2022-03-22 | Oppo广东移动通信有限公司 | Proximity state judgment method and device |
| CN110262767B (en) * | 2019-06-03 | 2022-03-11 | 交互未来(北京)科技有限公司 | Voice input wake-up apparatus, method, and medium based on near-mouth detection |
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| CN102387252A (en) * | 2011-10-11 | 2012-03-21 | 惠州Tcl移动通信有限公司 | Handheld equipment and method for preventing touch screen from spurious triggering in call process of handheld equipment |
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| US9049302B2 (en) * | 2007-01-07 | 2015-06-02 | Apple Inc. | Portable multifunction device, method, and graphical user interface for managing communications received while in a locked state |
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| CN101631157A (en) * | 2008-07-16 | 2010-01-20 | 华冠通讯股份有限公司 | Intelligent handheld device and operating method thereof |
| CN102387252A (en) * | 2011-10-11 | 2012-03-21 | 惠州Tcl移动通信有限公司 | Handheld equipment and method for preventing touch screen from spurious triggering in call process of handheld equipment |
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Effective date of registration: 20180224 Address after: Shanghai City, Songjiang Export Processing Zone South Road No. 1925 Patentee after: Ambit Microsystems (Shanghai) Co., Ltd. Address before: 201613 Shanghai City, Songjiang District Songjiang Export Processing Zone South Road No. 1925 Co-patentee before: Hon Hai Precision Industry Co., Ltd. Patentee before: Ambit Microsystems (Shanghai) Co., Ltd. |
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